Articles | Volume 20, issue 12
Atmos. Chem. Phys., 20, 7231–7241, 2020
https://doi.org/10.5194/acp-20-7231-2020
Atmos. Chem. Phys., 20, 7231–7241, 2020
https://doi.org/10.5194/acp-20-7231-2020

Research article 23 Jun 2020

Research article | 23 Jun 2020

Effects of a priori profile shape assumptions on comparisons between satellite NO2 columns and model simulations

Matthew J. Cooper et al.

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AR by Matthew Cooper on behalf of the Authors (13 May 2020)  Author's response    Manuscript
ED: Publish subject to technical corrections (20 May 2020) by Ronald Cohen
AR by Matthew Cooper on behalf of the Authors (21 May 2020)  Author's response    Manuscript
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Short summary
Comparisons between satellite-retrieved and model-simulated NO2 columns are affected by differences between the model vertical profile and the assumed profile used in the retrieval process. We examine how such differences impact NOx emission estimates from satellite observations. Larger differences between the simulated and assumed profile shape correspond to larger emission errors. This reveals the importance of using consistent profile information when comparing satellite columns to models.
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